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US1536766A Expired / Lapsed US ⏱️ 0.0 years remaining

Invalid lifter

Assignee: Individual
•
Filing: 1921-03-01
•
Granted: 1925-05-05
•
Expires: 1941-03-01
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Abstract

No abstract record available.

Inventors

  • 👤 Hermann H Cammann

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 12:19
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/10; A61G7/104; A61G7/1042; A61G7/1013; A61G7/1015; A61G7/1049; A61G7/1055; A61G7/1073; A61G7/1082; A61G7/1096; A61G2200/00; A61G2200/30; A61G2200/32; A61G2200/34; A61G7/1046

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1928-05-04 1928-11-03 1929-05-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1932-05-04 1932-11-03 1933-05-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1936-05-04 1936-11-03 1937-05-05 $7700.00 Window Closed / Lapsed

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